18458470

素因数分解:

$2^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{2081}}^1$

素因数の和:2975

約数の個数: 16

約数和(自身を含む): 33278688

約数和(自身を除く): 14820218

約数列:

[1, 2, 5, 10, 887, 1774, 2081, 4162, 4435, 8870, 10405, 20810, 1845847, 3691694, 9229235, 18458470]

約数ペア:

[(1, 18458470), (2, 9229235), (5, 3691694), (10, 1845847), (887, 20810), (1774, 10405), (2081, 8870), (4162, 4435)]